When is a new intermediary required to register with a Soccer / Football Association? Explain the advantages and disadvantages of a new intermediary pre-registering with a soccer association.

Need explanation in more than two hundred and also explain reason for the answer IN TEXT FORM

Please provide correct answer i will definitely give u positive rating and upvote. Please don't provide wron*g answer.let real experts solve this question. If at all I find incorrec*t and plagaris e*d answer then I will definitely repor*t your answer. So please be careful